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Diffstat (limited to 'locale/hashval.h')
-rw-r--r--locale/hashval.h22
1 files changed, 9 insertions, 13 deletions
diff --git a/locale/hashval.h b/locale/hashval.h
index f846cdfb27..52ef8b5da9 100644
--- a/locale/hashval.h
+++ b/locale/hashval.h
@@ -18,20 +18,16 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#ifndef LONGBITS
-# include <limits.h>
-# define LONGBITS (sizeof (long int) * CHAR_BIT)
+#ifndef hashval_t
+# define hashval_t unsigned long int
#endif
+#include <limits.h> /* For CHAR_BIT. */
-unsigned long int compute_hashval (const void *key, size_t keylen);
-
-unsigned long int
-compute_hashval (key, keylen)
- const void *key;
- size_t keylen;
+hashval_t
+compute_hashval (const void *key, size_t keylen)
{
size_t cnt;
- unsigned long int hval;
+ hashval_t hval;
/* Compute the hash value for the given string. The algorithm
is taken from [Aho,Sethi,Ullman], modified to reduce the number of
@@ -41,8 +37,8 @@ compute_hashval (key, keylen)
hval = keylen;
while (cnt < keylen)
{
- hval = (hval << 9) | (hval >> (LONGBITS - 9));
- hval += (unsigned long int) *(((char *) key) + cnt++);
+ hval = (hval << 9) | (hval >> (sizeof hval * CHAR_BIT - 9));
+ hval += (hashval_t) *(((char *) key) + cnt++);
}
- return hval != 0 ? hval : ~((unsigned long int) 0);
+ return hval != 0 ? hval : ~((hashval_t) 0);
}